ask about limit the result value

Question

hello, i wanna ask about c#, im from indonesia and i try to make some program with visual studio c# 2010

 

My based program is calculations, and I want to ask is, how do I limit the result value has been calculated to amount to little, for example, cos80 = 0.1736 in the calculator, but when calculations with the program that I created cos80 = 0.173648117. how do I equate the calculated value contained in the same program as the result of the calculation into the calculator?

 

please answer my question :)
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thanks before 

Answer 1

Check this out - http://www.niteshluharuka.com/2014/04/how-to-round-a-decimal-value-to-2-decimal-places-in-c/